3
support(noun, rock, defense, cell, stronghold)
3
vallation(noun, support, defense, wall, embankment)
2
abatis
2
balistraria
2
barbican(noun, keep, cell, stronghold, presidio)
2
blockhouse(noun, top, shelter, defense, cell)
2
bolstering(support, strengthening)
2
buttressing(noun, support, defense, reinforcement, strengthening)
2
camouflage(guard, shield, defense)
2
curtain
2
defending
2
defense(noun, support, cover, guard, shield)
2
ditch
2
embankment(noun, support, cover, position, block)
2
enclosure
2
fortifications
2
glacis
2
outwork(noun, support, embankment, mainstay, earthwork)
2
parados
2
portcullis
11 years ago|5.5k views|share |citing 
APASmart Define. (2015). fortification thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fortification/thesaurus/synonyms
ChicagoSmart Define. 2015. "fortification thesaurus" https://smartdefine.org/fortification/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, fortification thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fortification/thesaurus/synonyms>.
MLASmart Define. "fortification thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/fortification/thesaurus/synonyms>